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利格宁和单宁的定量 31P NMR 分析
JoVE Journal
Chimica
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JoVE Journal Chimica
Quantitative 31P NMR Analysis of Lignins and Tannins
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利格宁和单宁的定量 31P NMR 分析

DOI:
10.3791/62696-v

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05:57 min

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August 02, 2021

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, ,
1Department of Molecular Sciences and Nanosystems,Ca’ Foscari University of Venezia, 2Departments of Chemistry and Forest Biomaterials,North Carolina State University

Capitoli

  • 00:05Introduction
  • 00:38Sample Pretreatment and NMR Sample Solution Preparation
  • 02:11NMR Analysis
  • 02:40NMR Spectrum Processing
  • 04:10Results: The Quantitative NMR Analysis of Derivatized Lignin and Tannin Samples
  • 05:15Conclusion

Summary

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31P NMR 是多酚结构阐明的强大工具。这种快速、简单、精确、定量和高度可重复的分析过程，允许对木质素和单宁中不同类型的羟基、酚类和碳化物组进行量化和区分，现已成为一种常规分析工具。

Tags

Keywords: 31P NMRQuantitative AnalysisLigninsTanninsHydroxyl GroupsSample PreparationTMDPNMR SpectroscopyFourier TransformationPhase CorrectionBaseline CorrectionSignal Calibration

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